[GHC] #9620: libffi.a is put in the wrong folder

[GHC]

#9620: libffi.a is put in the wrong folder
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              Reporter:  rezb1t      |            Owner:
                  Type:  bug         |           Status:  new
              Priority:  normal      |        Milestone:  7.10.1
             Component:  Build       |          Version:  7.9
  System                             |         Keywords:  libffi lib64
            Resolution:              |     Architecture:  Unknown/Multiple
      Operating System:  Linux       |       Difficulty:  Unknown
       Type of failure:  Building    |       Blocked By:
  GHC failed                         |  Related Tickets:
             Test Case:              |
              Blocking:              |
Differential Revisions:              |
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Comment (by rwbarton):

 dfeuer, could you try building with this patch?
 {{{
 diff --git a/libffi/ghc.mk b/libffi/ghc.mk
 index bc62ad9..67dedf9 100644
 --- a/libffi/ghc.mk
 +++ b/libffi/ghc.mk
 @@ -69,6 +69,11 @@ $(libffi_STAMP_CONFIGURE): $(TOUCH_DEP)
         mv libffi/build/Makefile.in libffi/build/Makefile.in.orig
         sed "s/-MD/-MMD/" < libffi/build/Makefile.in.orig >
 libffi/build/Makefile.in

 +       # libffi does not properly respect libdir; force it to do so.
 +       # (https://sourceware.org/ml/libffi-discuss/2014/msg00016.html)
 +       mv libffi/build/Makefile.in libffi/build/Makefile.in.orig
 +       sed 's:@toolexeclibdir@:$$(libdir):g' <
 libffi/build/Makefile.in.orig > libffi/build/Makefile.in
 +
         # Their cmd invocation only works on msys. On cygwin it starts
         # a cmd interactive shell. The replacement works in both
 environments.
         mv libffi/build/ltmain.sh libffi/build/ltmain.sh.orig
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9620#comment:8>
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